Office KMS AuthenticationInformation Technology Service Center2026-02-02<![CDATA[<div class="ed_model07 clearfix"> <div class="ed_title01"><span style="font-size:120%;">KMS Authentication – Offic 2021 LTSC </span></div> </div> <hr class="ed_border01"> <div class="ed_model07 clearfix"> <div class="ed_list"> <ul> <li>No serial number is required for Office 2021 LTSC. However, the KMS authentication should be passed after installation. Unauthenticated Office can work normally for 30 days. If Office is not authenticated after 30 days, it will work abnormally.</li> <li>To confirm that you are one of the faculty, staff, or students of NYCU, system will request you to enter the NYCU Portal account/password for identification. When the identification is passed, KMS server can be connected for authentication.</li> </ul> </div> </div>   <div class="ed_model07 clearfix"> <div class="ed_title01"><span style="font-size:120%;">Start by the Execution File</span></div> <div class="ed_txt"> </div> <div class="ed_list"> <ol> <li>According to your Office version, please right click the following link, </li> <li><a href="https://kmsweb.nycu.edu.tw/files/OfficeLTSC2021_KMS.bat" id="1-2" rel="noopener noreferrer" target="_blank" title="Office LTSC 2021(bat)(Open New Windows)">Office LTSC 2021</a> , and save it as the new file.</li> <li>Open the <a href="https://kmsweb.nycu.edu.tw/login-nycu.php" id="1-3" rel="noopener noreferrer" target="_blank" title="KMS Authentication Webpage(Open New Windows)">KMS Authentication Webpage</a>, enter your NYCU Portal account and password, and click “Submit.” (<a href="https://it.nycu.edu.tw/it/en/app/news/view?module=headnews&id=699&serno=002f100a-d8ad-4fe0-8f52-48e547cb7b47" id="1-4" title="From August 1,2024, Microsoft will stop providing campus licensed software to all graduates."><span style="color:#e74c3c;">From August 1,2024, Microsoft will stop providing campus licensed software to all graduates.</span></a> )</li> <li>After log in successfully, right click on the downloaded “.bat” file, and choose “Run as Administrator.”</li> <li>System will show the prompt for user account control. Please click “Yes” to continue the process. Then Office is activated successfully.</li> <li>The result of Successful Windows Activation is as follows:<br> <img alt="office success" src="/userfiles/iten/images/20230919141104842.png"></li> </ol> </div> </div> <div class="ed_model01 clearfix"> <div class="ed_txt">If the sentence, “Product activation successful,” is shown on the underlined place in the picture, it means that the authentication is completed.</div> </div>]]>